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Derivative Liabilities (Details Narrative) - USD ($)
9 Months Ended
Apr. 30, 2016
Apr. 30, 2015
Jul. 31, 2015
Derivative warrants weighted average remaining life 2 years 4 months    
Decrease in fair value of derivative warrant liability $ 1,082,111 $ 53,597  
Fair value of derivative liability 1,281,304   $ 2,363,415
Additional recognition of gain (loss), “Change in fair value of derivative liabilities” (16,231) $ 719,088  
Series G Convertible Preferred Stock      
Fair value of derivative liability $ 158,893   $ 142,662